Senior Full Stack Developer

**Job Description:** Quevera is seeking a highly skilled **Senior Full Stack Developer** with an active **TS/SCI clearance with Polygraph** to support mission\-critical programs in **Herndon and Springfield, Virginia**. In this role, you will design, develop, and deploy enterprise\-scale web applications that support critical national security missions. Working alongside a collaborative engineering team, you will develop modern React applications, design secure backend APIs, and deliver scalable full\-stack solutions from concept through production deployment. You'll collaborate closely with technical leads and mission stakeholders to translate complex customer requirements into innovative software solutions while contributing to engineering best practices and high\-quality application development. As a Senior Full Stack Developer, you'll have the opportunity to build modern cloud\-enabled applications using React, TypeScript, Node.js, and AWS technologies while supporting innovative solutions for mission\-critical customers. **Work Location:** * **Primary Work Location:** AWS IAD21 (Herndon, Virginia) and customer site in the vicinity of Springfield, Virginia. * **Work Environment:** Must be willing to work in a SCIF at the AWS Herndon or Springfield customer site up to 100% of the work week. **Job Responsibilities:** * Independently design, develop, and implement software features from requirements through production deployment. * Break down complex customer requirements into scalable technical solutions with minimal oversight. * Develop and maintain enterprise\-scale React applications using modern React patterns and TypeScript. * Design, develop, and maintain secure RESTful APIs using Node.js and Express.js. * Implement business logic, middleware, authentication, validation, and backend integrations supporting enterprise workflows. * Integrate frontend applications with backend services and enterprise data models. * Manage complex application state us